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Lab – Implementing VLAN Security

Topology

Addressing Table

Device Interface IP Address Subnet Mask Default Gateway

S1 VLAN 99 172.17.99.11 255.255.255.0 172.17.99.1

S2 VLAN 99 172.17.99.12 255.255.255.0 172.17.99.1

PC-A NIC 172.17.99.3 255.255.255.0 172.17.99.1

PC-B NIC 172.17.10.3 255.255.255.0 172.17.10.1

PC-C NIC 172.17.99.4 255.255.255.0 172.17.99.1

VLAN Assignments

VLAN Name

10 Data

99 Management&Native

999 BlackHole

Objectives

Part 1: Build the Network and Configure Basic Device Settings

Part 2: Implement VLAN Security on the Switches

Background / Scenario

Best practice dictates configuring some basic security settings for both access and trunk ports on switches.

This will help guard against VLAN attacks and possible sniffing of network traffic within the network.

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Summary of Contents

Page 1 - Background / Scenario

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Page 2 - Required Resources

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Page 7 - Reflection

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